πagarwalmath · 1st grade · Common Core 1.OA.B.3
🔄 Turn-around and make-ten
Use properties (3 + 8 = 8 + 3; make a ten first)
Name: ______________________Date: ____________
11 + 9 + 1 = ?
Answer: ______________
25 + 5 + 5 = ?
Answer: ______________
34 + 4 + 6 = ?
Answer: ______________
44 + 8 + 2 = ?
Answer: ______________
58 + 5 + 2 = ?
Answer: ______________
63 + 7 + 6 = ?
Answer: ______________
77 + 4 = 4 + ?
Answer: ______________
84 + 8 = 8 + ?
Answer: ______________
99 + 7 = 7 + ?
Answer: ______________
109 + 1 + 2 = ?
Answer: ______________
118 + 2 + 2 = ?
Answer: ______________
129 + 4 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 15
- 3. 14
- 4. 14
- 5. 15
- 6. 16
- 7. 7
- 8. 4
- 9. 9
- 10. 12
- 11. 12
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties